The Corelle Square Simple Lines 9-inch Plate Set includes six plates that are the perfect size for serving lunch or appetizers to family and guests. Each plate features a simple yet stylish design of sweeping black lines on a white background. The design is part of the plate and won’t scratch, wash, or wear off. These plates are made with Corelle triple-layer strong glass, which is lightweight, stackable, and resistant to chips and breaks. The plates in this set are dishwasher safe and can be used in an oven or microwave. Corelle glass is made in the USA, and comes with a three-year limited warranty against manufacturer defect.